Xia, Y., Y. Chen, L. He, Z. Shi, X. Ji, and R. Cai. “Can Green Bonds Hedge Against Geopolitical Risk? A Cross-Market Connectedness Analysis With Portfolio Implications”. Technological and Economic Development of Economy, vol. 31, no. 1, Jan. 2025, pp. 92–130, doi:10.3846/tede.2024.22088.